package com.sky.controller.admin;

import com.google.j2objc.annotations.AutoreleasePool;
import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController
@Slf4j
@RequestMapping("/admin/dish")
@Api(tags="菜品管理接口")
public class DishController {

    @Autowired
    private DishService dishService;  //对应的实现类需要加service注解

    @Autowired
    private RedisTemplate redisTemplate;

    @ApiOperation("新增菜品")
    @PostMapping
    public Result insert(@RequestBody DishDTO dishDTO){
        log.info("新增菜品{}",dishDTO);

        dishService.insertWithFlavor(dishDTO);

        //删除对应的分类id缓存数据
        String key = "dish_" + dishDTO.getCategoryId();
        cleanCache(key);

        return Result.success();

    }

    @GetMapping("/page")
    @ApiOperation("菜品分类查询")
    public Result<PageResult> DishPageQuery(DishPageQueryDTO dishPageQueryDTO){
        log.info("菜品分页查询{}",dishPageQueryDTO);

        PageResult pageResult= dishService.pageQuery(dishPageQueryDTO);

        return Result.success(pageResult);
    }

    @DeleteMapping
    @ApiOperation("菜品批量删除")
    public Result deleteDish(@RequestParam List<Long> ids){    //MVC框架中的RequestParam注解可以自定解析字符串1，2，3等，使其变成List集合
        log.info("删除菜品{}",ids);

        dishService.delete(ids);

        //情况复杂，全部缓存都删除
        cleanCache("dish_*");

        return Result.success();
    }

    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品")
    public Result<DishVO> getById(@PathVariable Long id){
        log.info("根据id查询菜品",id);

        DishVO dishVO = dishService.getByIdWithFlavor(id);
        return Result.success(dishVO);
    }

    @PutMapping
    @ApiOperation("修改菜品信息")
    public Result updateDish(@RequestBody DishDTO dishDTO){
        log.info("修改菜品信息",dishDTO);

        dishService.updateDish(dishDTO);

        //情况复杂，全部缓存都删除
        cleanCache("dish_*");
        return Result.success();
    }

    @PostMapping("/status/{status}")
    @ApiOperation("修改售卖状态")
    public Result TurnStatus(@PathVariable("status") Integer status,Long id){
        log.info("修改启售/停售状态,{}",status);
        dishService.TurnStatus(status,id);

        //情况复杂，全部缓存都删除
        cleanCache("dish_*");

        return Result.success();
    }

    //根据分类ID查询菜品
    @GetMapping("/list")
    @ApiOperation("根据分类ID查询菜品")
    public Result<List<Dish>> list(Long categoryId){
        log.info("根据分类id查询菜品",categoryId);

        List<Dish> DishList = dishService.list(categoryId);

        return Result.success(DishList);
    }

    /**
     * 清理redis对应模式的缓存
     *
     */
    public void cleanCache(String pattern){
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }
}
